ECO volume E
ECO E openings
Indian defenses (Nimzo, King’s Indian, …). This volume contains 354 exact named move-order records in the reference catalogue. The 6 guides below concentrate on the major families: their characteristic structures, plans for both sides, pawn breaks, piece placement, tactical warnings, and the practical differences between branches.
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Bogo-Indian Defense
The Bogo-Indian Defense through the 3...Bb4+ check, White’s main replies, the ...c5 and ...d5 breaks, and the trade between bishop activity and control of e4.
ECO coverage in this volume: E11 · 21 exact move-order records
Catalan Opening
The Catalan through its g2-bishop, pressure on d5 and c6, recovery of c4 in open lines, and the central e4 and ...c5 breaks.
ECO coverage in this volume: E00, E01, E02, E03, E04, E05, E06, E07, E08, E09 · 30 exact move-order records
Grünfeld Defense
The Grünfeld through pressure on White’s pawn centre, the ...c5 counterstrike, the g7 diagonal, and the tactical targets on d4 and c3.
ECO coverage in this volume: E60 · 1 exact move-order record
King's Indian Defense
A strategic guide to the King’s Indian Defense: locked centres, opposite-wing play, ...e5 and ...c5 breaks, piece routes, and the main white systems.
ECO coverage in this volume: E60, E61, E62, E63, E64 … E96, E97, E98, E99 · 119 exact move-order records
Nimzo-Indian Defense
A strategic guide to the Nimzo-Indian: the pin on c3, bishop-pair bargain, doubled c-pawns, central breaks, piece placement, and the principal white systems.
ECO coverage in this volume: E20, E21, E22, E23, E24 … E56, E57, E58, E59 · 98 exact move-order records
Queen's Indian Defense
A guide to the Queen’s Indian battle for e4, Black’s queenside fianchetto, the ...c5 and ...d5 breaks, and White’s main development systems.
ECO coverage in this volume: E12, E13, E14, E15, E16, E17, E18, E19 · 53 exact move-order records